<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <script src="lib/react.development.js"></script>
  <script src="lib/react-dom.development.js"></script>
</head>
<body>
<div class="root"></div>
</body>
<script>
  const root = ReactDOM.createRoot(document.querySelector('.root'));
  // root.render(true);
  // root.render(undefined);
  // root.render(null);
  // root.render(function (){});
  // root.render({a:1,b:2});
  root.render([1,2,3]);


</script>
</html>